Question

What are Ommatidia ? In which phylum It's found? Write about that phylum

Answer 1

The compound eyes of Arthropods consists many smaller units called Ommatidia.

• Each Ommatidia has a pens and forms mosaic version of image

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Arthropods:

• Largest phylum of animal kingdom.

• It consists of 2/3rd of normal species.

• Triploblastic animals

• Coelomate and segmented

• Organ system level of organisation

• Paired jointed appendages

• Body is covered by chitinous exoskeleton.

• Head is distinct ie High level of cephalisation

• The coelom is filled with blood and called haemocoel.

Ex: Prawn, Butterfly, Spider